White Rodgers 1F95-0477 User manual

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Microphones
Type
User manual

White Rodgers 1F95-0477 is a versatile, programmable thermostat designed to control heating and cooling systems efficiently. Compatible with various system types, including heat pumps, single-stage, and multi-stage systems, it offers flexibility for different home setups. The thermostat features automatic heat/cool changeover, ensuring optimal comfort without manual adjustments. It also includes customizable programming options, allowing you to create personalized schedules that align with your lifestyle and preferences.

White Rodgers 1F95-0477 is a versatile, programmable thermostat designed to control heating and cooling systems efficiently. Compatible with various system types, including heat pumps, single-stage, and multi-stage systems, it offers flexibility for different home setups. The thermostat features automatic heat/cool changeover, ensuring optimal comfort without manual adjustments. It also includes customizable programming options, allowing you to create personalized schedules that align with your lifestyle and preferences.

1
Blue 4” Universal Thermostat with
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump
Installation and Operating Instructions for Model:
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING
THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
Save these instructions for future use!
APPLICATIONS
SPECIFICATIONS
Electrical Rating:
Battery Power .................................................... mV to 30 VAC, NEC Class II, 50/60 Hz or DC
Input-Hardwire ................................................... 20 to 30 VAC
Terminal Load ........................................................... 1.5 A per terminal, 2.5A maximum all terminals combined
Setpoint Range ......................................................... 45° to 90°F (7° to 32°C)
Rated Differentials: Fast Med. Slow
Heat (SS1, MS2) ............................................... 0.4 °F 0.6 °F 1.7 °F
Cool (SS1, MS2) ................................................ 0.9 °F 1.2 °F 1.7 °F
Heat Pump (HP1, HP2) ..................................... 0.9 °F 1.2 °F 1.7 °F
Emer (HP1, HP2) ............................................... 0.6 °F 1.7 °F
Operating Ambient .................................................... 32° to +105°F (0° to +41°C)
Operating Humidity ................................................... 90% non-condensing max.
Shipping Temperature Range ................................... -40° to +150°F (-40° to +65°C)
Dimensions Thermostat ............................................ 3-7/8”H x 5-1/8”W x 1-1/4”D
1F85-0477 Thermostat
Model Programming Choices
1F85-0477
7 Day 5/1/1 Day
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product
may replace a product that contains mercury.
Mercury and products containing mercury must not be
discarded in household trash. Do not touch any spilled
mercury. Wearing non-absorbent gloves, clean up any spilled
mercury and place in a sealed container. For proper disposal
of a product containing mercury or a sealed container. Refer
to www.white-rodgers.com for location to send product
containing mercury.
THERMOSTAT APPLICATION GUIDE
Description
Heat Pump (No Aux. or Emergency Heat) Ye s
Heat Pump (with Aux. or Emergency Heat) Ye s
Systems with up to 2 Stages Heat, 2 Stages Cool Ye s
Heat Only Systems (with optional fan switch) Ye s
Millivolt Heat Only Systems – Floor or Wall Furnaces Ye s
Cool Only Systems Ye s
Gas or Oil Heat Ye s
Electric Furnace Ye s
Hydronic (Hot Water) Zone Heat – 2 Wires Ye s
Hydronic (Hot Water) Zone Heat – 3 Wires Ye s
Index Page
Installation 2
Wiring Connections 2
Wiring Diagrams 3
Thermostat Quick Reference 5
Installer Configuration Menu 6
Operating Your Thermostat 8
Programming 9
Troubleshooting 10
PART NO. 37-7238A
1118
CAUTION
!
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
circuit breaker box until installation is complete.
www.white-rodgers.com
www.emersonclimate.com
2
INSTALLATION
Thermostat installation and all components of the
control system shall conform to Class II circuits per
the NEC code.
WARNING
!
Remove Old Thermostat
A standard heat/cool thermostat consists of three basic parts:
1. The cover, which may be either a snap-on or hinge type.
2. The base, which is removed by loosening all captive
screws.
3. The switching subbase, which is removed by unscrewing
the mounting screws that hold it on the wall or adapter
plate. Before removing wires from old thermostat,
label each wire with the terminal designation from
which it was attached. Disconnect the wires from the
old thermostat one at a time. Do not let wires fall back
into the wall.
Installing New Thermostat
1. Pull the thermostat body off the thermostat base. Forcing
or prying on the thermostat will cause damage to the unit.
2. Place base over hole in wall and mark mounting hole
locations on wall using base as a template.
3. Move base out of the way. Drill mounting holes. If you
are using existing mounting holes and the holes drilled
are too large and do not allow you to tighten base snug-
ly, use plastic screw anchors to secure the base.
4. Fasten base snugly to wall using mounting holes shown
in Figure 2 and two mounting screws. Leveling is for
appearance only and will not affect thermostat operation.
5. Connect wires to terminal block on base.
6. Push excess wire into wall and plug hole with a fire re-
sistant material (such as fiberglass insulation) to prevent
drafts from affecting thermostat operation.
7. Carefully line the thermostat up with the base and snap
into place.
Batteries
2 “AA” alkaline batteries are included with the thermostat.
To install the batteries, pull the battery door as shown by the
arrow and lift open. Using the polarity indicated inside the bat-
tery door, insert the batteries. To close the battery door, swing
the door down while pulling in the direction of arrow. Once
fully down, snap the door back into position. To replace the
batteries, set system to OFF.
Thermostat can be powered by system AC power or Battery.
If
is displayed, the thermostat is battery powered. If
is not displayed, thermostat is system powered with optional
battery back-up. When battery power remaining is approxi-
mately half, the
will be displayed. When “Change
is displayed, install fresh “AA” alkaline batteries immediately.
For best results, replace all batteries with new premium brand
alkaline batteries such as Duracell
®
or Energizer
®
. We recom-
mend replacing batteries every 2 years. If the home is going
to be unoccupied for an extended period (over 3 months) and
is displayed, the batteries should be replaced before
leaving. When less than two months of battery life remain, the
setpoint temperature will offset by 10 degrees (10 degrees
cooler in Heat mode / 10 degrees warmer in Cool mode). If
offset occurs, the normal setpoint can be manually reset with
or . Another offset will occur within two days if batter-
ies are not replaced.
“AAAlkaline Batteries
Figure 1 – Battery door shown open
Mounting
Hole
Mounting
Hole
Place Level
across
Mounting Tabs
(for appearance only)
Place Level
across
Mounting Tabs
(for appearance only)
Figure 2 – Thermostat base and rear view of thermostat
WIRING CONNECTIONS
Refer to equipment manufacturers’ instructions for specific system wiring information. After wiring, see CONFIGURATION section
for proper thermostat configuration. Refer to figure 3 through 6 for wiring diagram specifications.
Terminal
Designation Description
L .............. Heat pump malfunction indicator for systems
with malfunction connection
O .............. Changeover valve for heat pump energized
constantly in cooling
B .............. Changeover valve for heat pump energized
constantly in heating
Y .............. Compressor Relay
Y2 ............. 2nd Stage Compressor
Terminal
Designation Description
W/E ............Heat Relay/Emergency Heat Relay (Stage 1)
W2 ............. 2nd Stage Heat (3rd Stage Heat in HP 2)
G ..............Fan Relay
RH .............Power for Heating
RC .............Power for Cooling
C ..............Common wire from secondary side of cooling system
transformer or heat only system transformer
6...............3 Wire Zone Valve – Energized when no call for Heat
TERMINAL DESIGNATION DESCRIPTIONS
3
Single
Stage 1
(SS1)
Multi-
Stage 2
(MS2)
O
Energized Constantly
in Cool Mode
B
Energized Constantly
in Heat, Off,
Emergency
Mode
No
Output
Cool
Mode
2nd
Stage
Cool Mode
1st Stage
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
configured
for Electric
Heat)
No Output
Heat Mode
2nd Stage
Heat
Mode
1st Stage
Optional*
24 Volt
(Com-
mon)
24 Volt
(Hot)
Cool
System
Y
G
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
RH
Y2
W2
Jumper
Fault
Indicator
or
System
Malfunction
Switch
System Malfunction
Module
O/B
WIRING DIAGRAMS
Heat Pump Connections
If you do not have a heat pump system, refer to figures 4-6.
Refer to equipment manufacturers’ instructions for specific
system wiring information.
You can configure the thermostat for use with the following
heat pump systems.
Figure 3 – Heat Pump Systems
HEAT PUMP TYPE 1 (HP 1). Single stage compressor
system; gas or electric backup.
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two
compressor system with gas or electric backup.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat configuration.
NOTE: If your system does
not provide an E connection,
jumper W2 to W/E to use
the Auxiliary Heat in the
Emergency Mode.
* Common connection
required for fault or
malfunction indication.
Heat Pump 2
(HP2)
Heat Pump 1
(HP1)
O
Energized in
Cool Mode
B
Energized in
Heat, Off,
Emergency
Mode
2nd
Stage
(Com-
pressor)
No
Output
Heat and
Cool Mode
1st Stage
(Compressor)
Blower/
Circulator
Fan Energized
on Call for
Heat or Cool.
Set Elect/Gas
Option for
Emergency
Mode
Heat Mode
2nd Stage.
Emergency
Mode 2nd
Stage
Heat Mode
3rd Stage.
Emergency
Mode 2nd
Stage
Emergency
Mode
1st Stage
Optional*
24 Volt
(Com-
mon)
Fault Indicator
or System
Malfunction
Switch
24 Volt
(Hot)
Cool
System
Y
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
RH
Jumper
Y2
W2
G
Jumper
Comfort Alert II Module
or Similar System
Malfunction Module
O/B
Single Stage and Multi-Stage Connections
Refer to equipment manufacturers’ instructions for specific
system wiring information.
This thermostat is designed to operate a single-transformer
or two-transformer system.
You can configure the thermostat for use with the following
fossil fuel systems:
SINGLE STAGE (SS 1) gas, oil or electric.
MULTI-STAGE (MS 2) gas, oil or electric.
After wiring, see INSTALLER CONFIGURATION section for
proper thermostat configuration.
Figure 4 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer
* Common connection
required for fault or
malfunction indication.
4
WIRING DIAGRAMS
Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers
Single
Stage 1
(SS1)
Multi-
Stage 2
(MS2)
No
Output
Cool
Mode
2nd
Stage
Cool Mode
1st Stage
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat if
configured
for Electric
Heat)
No Output
Heat Mode
2nd Stage
Heat
Mode
1st Stage
Optional
24 Volt
(Com-
mon)
Fault
Indicator
(NOT
USED)
24 Volt
(Hot)
Cool
System
Y
G
W/E
C
L
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
RH
120VAC
Remove Jumper Wire
between RH & RC
HOT
24VAC
NEUTRAL
CLASS II
TRANSFORMER
HEATING
COOLING
Y2
W2
Jumper
O/B
O
Energized Constantly
in Cool Mode
B
Energized Constantly
in Heat, Off,
Emergency
Mode
Single Stage
3-wire
Zone Valve
application
Blower/Circulator
Fan Energized
Opens
Valve
(4)
Constant
24 Volt
(Com-
mon)
24 Volt
(Hot)
Cool
System
6
Y
W
C
RC
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
24 Volt
(Hot)
Heat
(5)
RH
G
Jumper
Closes
Valve
(6)
Figure 6 – 3-Wire (SPDT) Heat Only Zone Valve Wiring
5
11
10
9
1
8
7
6
5
4 14
3
13
12
Month
Change
Filter
Call For Service
Save
Temp Hold
P
Date
Set
Set
Schedule
SYSTEM FAN
Year
Run Hold
Heat
Mo Tu We Th Fr Sa Su
System On +2
Heat Pump
Auto Sched
Cool Savings
Em Auto Auto
Cool OffTime
On
Menu
Set
Mo
P
SYSTEM
Heat
FAN
Auto
Menu
Room
Temperature
Setting
Temperature
System
Indicator
Fan
Indicator
Battery Level Indicator
Indicating the current power
level of the 2 “AA” batteries.
Full power remaining.
Half power remaining.
Change The batteries
should be replaced at this time
with 2 new premium brand
“AA” Alkaline batteries.
(See page 2 for more details)
Time of day
Run
THERMOSTAT QUICK REFERENCE
Figure 7 – Home Screen Display
Home Screen Description
Programming and Configuration Items
1
“System On” indicates when heating or cooling stage
is energized, “+2” flashing indicates when a second
stage is energized.
2
The word “Hold” is displayed when the thermostat is in
the Hold mode. Temp Hold” is displayed when
the thermostat is in a Temporary Hold mode.
3
Displays “Change Filter” when the system has run for
the programmed filter time period as a reminder to
change or clean your filter.
4
Displays “Set” for setpoint when in Run Program mode.
5
Displays System Mode (Heat, Em, Auto, Cool, Off)
or “Time” in Menu Mode.
6
Displays Fan Mode (On, Auto) in Menu Mode.
7
Displays “Set Schedule”, “Schedule”, or “Menu”.
8
Displays “Save” when Cool Savings
TM
is working.
9
Displays “Heat Pump” when system is configured
as Heat Pump thermostat.
10
Displays “Hold” in programmable mode. When not in
Hold mode, displays “Run” in program run mode.
11
Initially displays “Auto Sched”. If Auto Schedule had
been used or disabled, then it displays “Cool Savings”
when in the Cool Mode if Cool Savings has been ena-
bled in the menu.
12
“Call For Service” indicates a fault in the heating/
cooling system, it does not indicate a fault in the
thermostat.
13
Alternates Time of Day and “LOC” when keypad lockout
is enabled.
14
In Configuration Menu, shows screen number. If blank,
thermostat is earlier model and requires instruction sheet
37-7050B.
Figure 8 – Programming & Configuration Items
6
INSTALLER/CONFIGURATION MENU
To enter the Configuration Menu, SYSTEM must be set to HEAT, COOL, Em or AUTO. Press the Menu button for at least 5
seconds. The display will show item #1 in the table below. Press Menu button to advance to the next menu item. Press
or
to change an item option.
INSTALLER/CONFIGURATION MENU
MENU
SCREEN
NUMBER
MS2/
SS1
HP1/
HP2
DISPLAYED
(FACTORY DEFAULT)
Press
or to
select from listed options
COMMENTS
01
(OFF) Lk L Selects Keypad Lockout.
(Not available on earlier models)
02
(000) Lk 001 to 999 Selects Keypad lockout combination number
03
(MS 2) SS1, HP1, HP2 Selects Multi-Stage (MS 2 No Heat Pump),
Heat Pump 1 (HP 1, 1 compressor),
or Single Stage (SS 1), Heat Pump 2 (HP 2, 2
compressor or 2 speed compressor)
04
(GAS) ELE Select Gas or Electric heat
(ELE) GAS
05
(0) CS 1, 2, 3, 4, 5, 6 Selects Cool Savings
Value 1 (low) to 6 (high), Value 0 Disables Feature
06
(On) E OFF Selects Energy Management Recovery (EMR)
On or OFF.
07
(ME)
CR Heat
SL, FA Adjustable Anticipation:
Selects heating cycle rate for MS or SS
08
(ME)
CR Cool
SL, FA Adjustable Anticipation: Selects the cycle
rate for cooling (only when MS2 or SS1
is selected in item 1)
09
(ME)
CR Heat Pump
SL, FA Adjustable Anticipation (Heat Pump)
(only when heat pump is selected in #1)
10
(FA)
CR Em
SL Selects the cycle rate for Emergency
mode and Auxiliary stage if Heat Pump is
selected in item 1)
11
(OFF) CL CL On Compressor Lockout Time
12
Heat-Auto
Cool-Off
Cool-Off, Heat-Off,
Heat-Fan-Off,
Heat-Cool Auto-Off
Select System Switch Configuration with automatic
changeover capability
13
(On) dL dL OFF Selects Display Light On or OFF
14
0
(current temperature)
1 HI, 2 HI, 3 HI, 4 HI,
1 LO, 2 LO, 3 LO, 4 LO
Adjustable Ambient Temperature Display
15
°F °C
Selects Fahrenheit/Celsius Temperature Display
16
L (90) Heat L 62 to L 89 Selects Limited HEAT Range
17
L (45) Cool L 46 to L 82 Selects Limited COOL Range
18
P7 P3 Defaults for 7 day programming (P7) or 5/1/1 day
programming (P3) is available
19
(On) AS Heat OFF Automatic Schedule for heat mode.
20
(On) AS Cool OFF Automatic Schedule for cool mode.
21
MS (On) FA Heat OFF Fast Heat option may be disabled by
selecting OFF. NA to SS config.
22 HP2
(On) FA Cool OFF Fast Cool option may be disabled by
selecting OFF. NA to SS config.
NA to Heat only system.
23
(OFF) CA
On
Selects active Comfort Alert On or OFF.
Require CA II Module. (Not available on earlier models)
24
(On) dS OFF Selects Automatic daylight Savings Time
option On or OFF.
25
(OFF) Change Filter On Selects Filter Change-out Indicator On or OFF.
26
(200 h) Change Filter 25-1975 h Change Filter time in 25 hour increments. This
menu only appears if On is selected in above.
27
(o) On Cool (b) On Heat Selects operation of the reversing valve terminal (O/B)
output as an O or B terminal.
7
INSTALLER/CONFIGURATION MENU
1 & 2)Keypad LockoutThis menu selection will display
Lk” and “OFF” (default, keypad not locked out). The
and are used to toggle the selection between
OFF and “L” (keypad locked out). When the keypad
lockout selection is enabled L” , and the MENU button
is pressed again, the display will indicate the number
“0” (default, still disabled) in the time digits. The
and
are used to set the combination number from 0
to 999. If a combination of 0 is selected and the MENU
button is pressed, the menu will be exited and keypad
will not be locked. If 1 to 999 is selected and the MENU
button is pressed, the combination is stored into memory
and the menu is exited. The “Lk” will display designating
keypad locked with a valid combination. The SYSTEM
button will operate for 10 seconds after the menu mode
is exited to allow the user to change the mode from
OFF” to the desired SYSTEM mode.
While the keypad is locked out, a press of MENU will en-
ter the configuration menu. The first menu item displayed
is the combination code 0”. The
or keys are
used to set the combination unlock number from 0 to
999. If the unlock number matches exactly with the com-
bination lock number stored in memory when the MENU
button is pressed, the keypad is unlocked and the “Loc”
is removed. If the unlock number does not match when
the MENU button is pressed, the combination returns to
“0” for another attempt to set the unlock code. To exit the
menu without unlocking the keypad, press RUN SCHED.
To reset the combination code and unlock the keypad if
the code is forgotten, see troubleshooting section.
3) This control can be configured for:
MS 2 – Multi-Stage System (no heat pump)
HP 1 – Heat Pump with one stage of compressor
HP 2 – Heat Pump with two stage compressor or two
compressor system, Gas or Electric backup
SS 1 – Single Stage System
4) GAS or Electric (ELE) fan operation. If the heating sys-
tem requires the thermostat to energize the fan, select
ELE. Select GAS if the heating system energizes the fan
on a call for heat.
5) Select Cool Savings™ value – Selects the amount
of adjustment for the Cool Savings™ feature in Cool
mode with 1 (1°) being the least amount of adjustment
and 6 (6°) being the most amount of adjustment. Default
value is 0 which disables this feature. Selecting a value
greater than 0 will display Cool Savings on the screen
and enable the key for Cool Savings feature. Cool Sav-
ings is an optional energy saving feature that can reduce
your cooling costs. It is based on the principal that lower
indoor humidity makes a slightly higher temperature
feel more comfortable. Cool Savings operates during
periods of high demand which normally occur on the
hottest summer days when a cooling system may run
for hours to reach the thermostat setting. Long cooling
run times also lower the indoor humidity. Cool Savings,
very slowly, adjusts the setpoint temperature to make the
setpoint closer to the displayed room temperature, to a
maximum of the number of degrees you select. Adjust-
ing the setpoint temperature over a long cooling run time
allows the system to reach your set temperature and turn
off. The room temperature will actually be higher than
the thermostat displays but the reduction in humidity will
allow comfort at the slightly higher temperature.
To turn this feature on in the Cool mode press Cool
Savings. The display will show “Save” next to the
setpoint temperature. When Cool Savings is making ad-
justments to the room temperature display “Save” will be
flashing and the displayed room temperature may vary
within the adjustment range you selected.
If “Save” is not displayed and this feature is OFF, no
change will occur when the cooling system is continu-
ously running during periods of high demand.
6) Energy Management Recovery: Energy Management
Recovery (E) On enables the thermostat to start heating
or cooling early to make the building temperature reach
the program setpoint at the time you specify. Heating
will start approximately 5 minutes early for every 1° of
temperature required to reach setpoint.
Example: E On is selected and your heating is pro-
grammed to 65° at night and 70° at 7 AM. If the build-
ing temperature is 65°, the difference between 65° and
70° is 5°. Allowing 5 minutes per degree, the thermostat
setpoint will change to 70° at 6:35 AM. Cooling allows
more time per degree, because it takes longer to reach
set temperature.
7, 8,9 & 10) Cycle Rate SelectionThe factory default
setting for Heat and Cool modes, SS1, MS2, is medium
cycle (ME). For Heat Pump, HP1, HP2, the default set-
ting is medium (ME). For Emer (Aux) the default setting
is fast cycle (FA). To change cycle rate, press the
or
key.
Cycle rate differentials for different settings are:
Fast Medium Slow
MODE FA ME SL
Heat (SS1, MS2) 0.4°F 0.6°F 1.7°F
Cool (SS1, MS2) 0.9°F 1.2°F 1.7°F
Heat Pump (HP1, HP2) 0.9°F 1.2°F 1.7°F
Emer (HP1, HP2) 0.6°F - 1.7°F
11) Select Compressor Lockout CL OFF or ON – Select-
ing CL ON will cause the thermostat to wait 5 minutes
between cooling cycles. This is intended to help protect
the compressor from short cycling. Some newer com-
pressors already have a time delay built in and do not
require this feature. Your compressor manufacturer can
tell you if the lockout feature is already present in their
system. When the thermostat compressor time delay oc-
curs, it will flash the setpoint for up to five minutes.
12) System Mode ConfigurationThis thermostat is
configured for Heat and Cool (SYSTEM switch with Cool,
Off, Heat) default. It can also be configured for Heat and
Cool with Auto changeover (Heat, Auto, Cool, Off), Heat
only with fan (Off, Heat), Heat only without fan, Auto only
(Auto, Off), and Cool only (Cool, Off).
13) Select Backlight DisplayThe display backlight im-
proves display contrast in low lighting conditions. When
the “C” terminal is powered, selecting backlight CdL ON
will keep the light on continuously. Select backlight OFF
will turn the light on momentarily after any key is pressed.
When the “C” terminal is not powered, the light will be on
momentarily after any key is pressed no matter whether
the backlight is selected ON or OFF.
14) Select Temperature Display Adjustment 4 LO to 4 HI
– Allows you to adjust the room temperature display up
to 4° higher or lower. Your thermostat was accurately cali-
brated at the factory, but you have the option to change
the display temperature to match your previous thermo-
stat. The current or adjusted room temperature will be
displayed.
15) Select F° or C° Readout – Changes the display readout
to Celsius or Fahrenheit as required.
16 & 17) Temperature Limit Range Heat or Cool – This
selection sets the maximum HEAT (13) or minimum
COOL (14) temperature for the setpoint range. Select the
limit temperature using the
or keys. In the Run
mode, the setpoint temperature will not adjust past the
limit temperature selected. When the limit temperature is
reached, trying to raise or lower the setpoint past the limit
will cause “L to be displayed in the times digits for about 6
seconds. This feature not available on earlier models.
18) Program Options: Configured for 7 day or 5/1/1 day pro-
gramming or non-programmable mode. The default set-
ting is P7, indicating 7 day programming. The programs
8
INSTALLER/CONFIGURATION MENU
per week can be changed to P3 by pressing the or
keys. A selection of 0 Days for non-programmable
will eliminate the need for EMR, and that step in the
menu will be skipped.
19 & 20) Select Automatic Schedule With just one touch
of the AUTO SCHEDULE button this feature allows
you to program a desired comfort temperature into all
the program periods along with a 6° set back for night
periods of both Heat and Cool programs. Factory default
is “On” for both. When Heat AS On and Cool AS On
are activated while in Heat or Cool mode, select desired
setpoint temperature and press AUTO SCHEDULE. This
value will be copied into all the morning, day and evening
program periods. The night program periods will have a
6°F set back.
21 & 22) Select Fast Second Stage ON or OFF – Heat
pump or Multi-stage only, in the run mode, with the fast
Heat feature enabled (FA Heat On), if the Heat setpoint
temperature is manually raised by 3°F (2°C) or more
above the actual temperature using
the second
stage will energize immediately. With FA OFF, second
stage will not energize until the setpoint temperature is
1°F or more above actual temperature for more than ten
minutes. The Fast Cool feature (FA Cool) provides the
same controls when the setpoint temperature is lowered.
23) Comfort Alert with Active ProtectionTurn this
feature ON to enable active protection. This allows the
thermostat to identify fault codes sent by the Comfort
Alert module when compressor damage is possible and
react to those codes by turning the compressor off. Fault
codes from the Comfort Alert module will flash on the
thermostat. (Refer to Comfort Alert Yellow Alert Codes
in Troubleshooting section.) If a Comfort Alert module is
not connected, or to disable active protection, turn this
feature OFF. If a Comfort Alert module is connected and
this feature is turned OFF, the thermostat will still receive
and flash the fault codes from the Comfort Alert module,
but the active protection will not be enabled to protect the
compressor.
24) Select Daylight Saving Time CalculationThis feature
will allow the thermostat to calculate the DST automati-
cally and apply it to the Real Time Clock display. Default
On. Use
or buttons to select the feature OFF.
25 & 26) Select Filter Replacement Reminder and Set
Run Time – Select the “Change Filter” reminder On
or OFF. If selected On, press MENU to select the time
period from 25 to 1975 hours in 25 hours increments.
In a typical system, 200 hours (default) of run time is
approximately 30 days. After the selected time of blower
operation, the thermostat will display “Change Filter”
as a reminder to change or clean your air filter. When
“Change Filter” is displayed, press MENU or RUN but-
ton to clear the display and restart the time to the next
filter change.
27) Select Reversing Valve Output The O/B option is
factory set at “O” position. This will accommodate the
majority of heat pump applications, which require the
changeover relay to be energized in COOL. If the
thermostat you are replacing or the heat pump being
installed with this thermostat requires a “B” terminal, to
energize the changeover relay in HEAT, the O/B option
should be set at “B” position.
OPERATING YOUR THERMOSTAT
Choose the Fan Setting (Auto or On)
Press the FAN button to Auto or On.
Fan Auto is the most commonly selected setting and runs the
fan only when the heating or cooling system is on.
Fan On runs the fan continuously for increased air circulation
or to allow additional air cleaning.
Choose the System Setting
(Heat, Off, Cool, Auto, Emer)
Press the SYSTEM button to select:
Heat: Thermostat controls only the heating system.
Off: Heating and Cooling systems are off.
Cool: Thermostat controls only the cooling system.
Auto: Auto Changeover is used in areas where both heating
and cooling may be required on the same day. AUTO allows
the thermostat to automatically select heating or cooling
depending on the indoor temperature and the selected heat
and cool temperatures. When using AUTO, be sure to set the
Cooling temperatures more than 1° Fahrenheit higher than
the heating temperature.
Em: (Heat Pump models) Thermostat controls only backup
heating system.
Manual Operation (Bypassing the Program)
Programmable Thermostats
Press or and then the HOLD button and adjust the
temperature wherever you like. This will override the program.
The HOLD feature bypasses the program and allows you
to adjust the temperature manually, as needed. Whatever
temperature you set in HOLD will be maintained 24 hours a
day, until you manually change the temperature or press RUN
to cancel HOLD and resume the programmed schedule.
IMPORTANT!
Program Override (Temporary Override)
Press or buttons to adjust the temperature. This
will override the temperature setting for two hours minimum
or until the next programmed time. To cancel the temporary
setting at any time and return to the program, press RUN. If
the SYSTEM button is pressed to select AUTO the thermostat
will change to Heat or Cool, whichever ran last. If it switches
to heat but you want cool, or it changes to cool but you want
heat, press both
and buttons simultaneously to
change to the other mode.
Second Stage Time Delay
Your thermostat is designed to determine the optimum time
to activate the second stage. Simply raising the temperature
in heating or lowering it in cooling will not always force the
thermostat to bring the second stage on quickly. There is a
time delay from 0-30 minutes depending on the performance
of the first stage of the system.
EXAMPLE: For the last 2 hours the thermostat is set on 70°
and the room temperature is 70° with the equipment using
only the first stage of heat. Since the equipment is keeping
the temperature within 1° of setpoint, the thermostat will
delay second stage for a longer time if you manually raise
the temperature or if the room temperature quickly changes.
Once the second stage comes on, it will come on sooner the
next time there is a difference between the setpoint and the
room temperature. The net effect of the staging program is
that when the first stage is capable of making temperature
the second stage will delay longer. When the thermostat
calculates that first stage cannot make temperature in a
reasonable time, the second stage will come on sooner. This
built in function automatically optimizes the use of additional
stages of heat or cool.
9
Set Current Time and Date
1) Press Menu and then Time button once. The display
will show the hour only.
2) Press and hold either the
or button until you
reach the correct hour and AM/PM designation (AM
begins at midnight, PM begins at noon).
3) Press TIME once again. The display window will show
the minutes only.
4) Press and hold either the
or button until you
reach the correct minutes.
5) Additional presses of TIME will advance the display to
show the year, month and date of month. Press the
or button to change the display to the correct set-
ting for each.
6) Press RUN to exit the TIME mode.
PROGRAMMING
The programmable thermostats are programmed with the energy saving settings shown in the table below for all days of the
week. If this program suits your needs, simply set the thermostat clock and press the RUN button. The table below shows the
factory set heating and cooling schedule for all days of the week.
Wake Up
(Period 1)
Leave For Work
(Period 2)
Return Home
(Period 3)
Go To Bed
(Period 4)
Heating
Program
6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F
Cooling
Program
6:00 AM 75°F 8:00 AM 83°F 5:00 PM 75°F 10:00 PM 78°F
Planning Your Program – Important
The Heating and Cooling Program schedules below allow you
to pencil in your own program times and temperatures.
The thermostat comes configured for 7 day programming
and can also be configured for 5/1/1 day programming (see
configuration section).
Factory settings are listed on Monday through Friday, Satur-
day and Sunday. If you are re-programming a 7 day schedule,
pencil in all lines with the times and temperatures you want.
If you are re-programming a 5+1+1 fill in your own times and
temperatures directly below the factory times and tempera-
tures.
Keep the following guidelines in mind when planning your
program.
• InHeating,lowertemperatureswillsaveenergy.
• InCooling,highertemperatureswillsaveenergy.
• IfyouplanonusingAutoChangeover,donotprogram
the heating higher than the cooling.
Energy Saving ENERGY STAR
®
Factory Pre-Program
Enter the Heating Program
1) Press SYSTEM button to select “Heat” in the system
switch area indicating the active mode being pro-
grammed.
2) Press the MENU button and then press SCHEDULE.
3) The top of the display will show the day(s) being pro-
grammed. The time and temperature (flashing) are also
displayed. “1” will also be displayed to indicate the period.
4) Press
or button to change the temperature to
your selected temperature for the 1st heating period.
5) Press TIME button, time will flash.
6) Press
or button to adjust the start time for the
1st period.
7) The time will change in 15 minute increments.
8) After you have set the time and the temperature for
the period to begin, press SCHEDULE to advance to the
next program period.
9) Repeat steps 2 through 8 until all of the program times
and temperatures are set for all program periods on
that day.
10) Press SCHEDULE to the next day and repeat steps 2
through 9.
11) When programming is complete and all of the times and
temperatures match your desired heating schedule, press
RUN. The thermostat will now run your program.
Enter the Cooling Program
1) Press SYSTEM button to select “Cool” in the system
switch area indicating the active mode being pro-
grammed.
2) Follow Enter Heating Program instructions for entering
cooling times and temperatures.
10
Worksheet for Re-Programming 7 Day and 5+1+1 Day Program
Cooling
Program
Wake Up
(Period 1)
Leave For Work
(Period 2)
Return Home
(Period 3)
Go To Bed
(Period 4)
MON
6:00 AM 75°F 8:00 AM 83°F 5:00 PM 75°F 10:00 PM 78°F
TUE
WED
THU
FRI
SAT
6:00 AM 75°F 8:00 AM 83°F 5:00 PM 75°F 10:00 PM 78°F
SUN
6:00 AM 75°F 8:00 AM 83°F 5:00 PM 75°F 10:00 PM 78°F
Heating
Program
Wake Up
(Period 1)
Leave For Work
(Period 2)
Return Home
(Period 3)
Go To Bed
(Period 4)
MON
6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F
TUE
WED
THU
FRI
SAT
6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F
SUN
6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F
PROGRAMMING
TROUBLESHOOTING
Comfort Alert Codes
The Comfort Alert diagnostics product monitors the air
conditioning outdoor systems with single phase Copeland
Scroll compressors. Abnormal system and electrical
conditions are indicated by flashing ALERT codes on the
yellow LED on the Comfort Alert module. The flash codes are
transmitted to the thermostat by the Comfort Alert Thermostat
interface module. The Comfort Alert compatible thermostat
displays “Call For Service” that flashes at the same rate as
the yellow LED on the Comfort Alert module.
Comfort Alert Yellow Alert Codes
1 Flash Long run time
2 Flashs System pressure trip
3 Flashs Short cycling
4 Flashs Locked rotor
5 Flashs Open circuit
6 Flashs Open start circuit
7 Flashs Open run circuit
8 Flashs Welded Contactor
9 Flashs Low voltage
11
Symptom Possible Cause Correction Action
No Heat/No Cool/No Fan
(common problems)
1. Blown fuse or tripped circuit breaker.
2. Furnace power switch to OFF.
3. Furnace blower compartment door or
panel loose or not properly installed.
4. Loose connection to thermostat or
system.
Replace fuse or reset breaker.
Turn switch to ON.
Replace door panel in proper position to engage safety
interlock or door switch.
Tighten connections.
No Heat
1. Pilot light not lit.
2. Furnace Lock-Out Condition. Heat
may also be intermittent.
3. Heating system requires service or
thermostat requires replacement.
Re-light pilot.
Many furnaces have safety devices that shut down when
a lock-out condition occurs. If the heat works intermittently,
contact the furnace manufacturer or local HVAC service
person for assistance.
Diagnostic: Set SYSTEM Switch to HEAT and raise the
setpoint above room temperature. Within a few seconds
the thermostat should make a soft click sound. This sound
usually indicates the thermostat is operating properly. If
the thermostat does not click, try the reset operation listed
above. If the thermostat does not click after being reset
contact your heating and cooling service person or place
of purchase for a replacement. If the thermostat clicks,
contact the furnace manufacturer or a HVAC service
person to verify the heating is operating correctly.
No Cool
1. Cooling system requires service or
thermostat requires replacement.
Same as diagnostic for No Heat condition except set the
thermostat to COOL and lower the setpoint below the room
temperature. There may be up to a five minute delay before
the thermostat clicks in Cooling.
Heat, Cool or Fan
Runs Constantly
1. Possible short in wiring.
2. Possible short in thermostat.
3. Possible short in heat/cool/fan system.
4. FAN Switch set to Fan ON.
Check each wire connection to verify they are not shorted
or touching together. No bare wire should stick out from
under terminal block. Try resetting the thermostat as
described above. If the condition persists, the manufacturer
of your system or service person can instruct you on how
to test the Heat/Cool system for correct operation. If the
system operates correctly, replace the thermostat.
Thermostat Setting &
Thermostat Thermometer
Disagree
1. Thermostat thermometer setting
requires adjustment.
The thermometer can be adjusted +/- 4 degrees. See
Temperature Display Adjustment in the Configuration Menu
section.
Furnace (Air Conditioner)
Cycles Too Fast or Too
Slow (narrow or wide
temperature swing)
1. The location of the thermostat and/or
the size of the Heating System may
be influencing the cycle rate.
Digital thermostats provide precise control and cycle faster
than older mechanical models. The system turns on and off
more frequently but runs for a shorter time so there is no
increase in energy use. If you would like an increased cycle
time, choose SL for slow cycle in the Configuration menu,
step 6 (heat), 7 (cool) or 8 (heat pump). If an acceptable
cycle rate is not achieved, contact a local HVAC service
person for additional suggestions.
Forgot Keypad Lockout
Code
Hold MENU key for 20 seconds and the lockout will reset.
Thermostat does not have
Menu Screen Numbers
1. Earlier version of thermostat. Refer to Instruction Sheet 37-7050B.
TROUBLESHOOTING
Reset Operation
Note: When thermostat is reset, installer configuration menu
settings and programming will reset to factory settings.
If a voltage spike or static discharge blanks out the display
or causes erratic thermostat operation, you can reset the
thermostat by removing the wires from terminals R and C
(do not short them together) and removing batteries for 2
minutes. After resetting the thermostat, replace the wires and
batteries. If the thermostat has been reset and still does not
function correctly contact your heating/cooling service person
or place of purchase.
Note: Be sure to review the installer configuration menu
settings.
To reset the programming, clock and configuration settings,
press
and and the FAN button simultaneously. The
thermostat should go blank and then all segments will be
displayed momentarily.
www.white-rodgers.com
www. emersonclimate.com
HOMEOWNER HELP LINE: 1-800-284-2925
White-Rodgers is a division
of Emerson Electric Co.
The Emerson logo is a
trademark and service mark
of Emerson Electric Co.
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White Rodgers 1F95-0477 User manual

Category
Microphones
Type
User manual

White Rodgers 1F95-0477 is a versatile, programmable thermostat designed to control heating and cooling systems efficiently. Compatible with various system types, including heat pumps, single-stage, and multi-stage systems, it offers flexibility for different home setups. The thermostat features automatic heat/cool changeover, ensuring optimal comfort without manual adjustments. It also includes customizable programming options, allowing you to create personalized schedules that align with your lifestyle and preferences.

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